How to choose neje machine?

NEJE's primary machines currently include the NEJE max4, NEJE 3max v2, NEJE 3max, and NEJE 3 models.

1. (For Beginners)
If you are new to laser technology, setting up a DIY booth, customizing jewelry, or just starting out with laser machines and have limited knowledge in this field:

1.1. For hobbyist purposes, consider engaging in simple projects like carving and cutting thin materials during your leisure time. We recommend starting with the NEJE 3 model along with the NEJE E40 module for initial practices in creating straightforward pieces.

1.2. If your aim is to utilize the machine for a home-based business or fulfilling studio orders, potentially scaling up production for companies or factories, and you are committed to participating in NEJE's educational programs from novice to expert levels to grasp machine operations. Additionally, if you believe you have the capacity to troubleshoot common issues, opt for a sophisticated, high-performance machine that stays relevant for an extended period and caters to diverse business requirements. It is advisable to consider the Max 4 or 3max V2 models paired with the E80 module. The Max 4 E80 setup is widely preferred by home-based businesses and companies.

2. (Experienced or Expert)
If you have prior experience with laser engraving machines, 3D printers, and Lightburn software:

1.1. If you seek a machine that is exceptionally professional, sturdy, advanced, intelligent, and boasts high production efficiency, then you will indeed appreciate the features of the Max 4 E80.
The Max 4 comes with a unique motorized Z-axis,the functions of motorized Z axis are as follows:
——It can free your hands from manual height adjustments for each project.With simple configurations in the Lightburn software, the motorized Z-axis automatically moves to the optimal position.
—— This allows for simultaneously working on projects of varying thicknesses. Typically, once the module height is fixed, the material thickness remains constant, hindering the simultaneous processing of materials with different thicknesses. However, with the assistance of the motorized Z-axis, Lightburn software can be set to different material parameters, enabling the engraving or cutting of materials of different thicknesses concurrently.
——When paired with the E80 module, the Max 4 excels in cutting thick materials, curved surface engraving, layered engraving on irregular materials, deep engraving.
——With compatible plotter pen, you can sketch on various materials like paper/cloth for doodling, acrylic painting on canvas, sketching on fabric for customized clothing, or creating engineering drawings.
——With blade,it's just like a CriCut, you can cut heat transfer patterns, you can craft custom canvas bags, apparel, stationery pouches, makeup bags, backpacks, and even cut very thin soft materials, allowing full expression of your imagination.
The Max 4 machine has a working area of 750*460mm, expandable to 1030*750mm, ideal for users requiring extensive workspace or batch production. Its mainboard storage capacity has been upgraded to support stable transmission of large files and facilitate offline operations.

1.2. If you have budget constraints and do not require the functionality of plotter pen, blade, or the motorized Z-axis, then the 3max V2 is your optimal choice. Building upon the reinforced framework of the 3max, the 3max V2 ensures stability and durability. With a working area of 750*460mm, expandable to 1030*750mm, it suits users requiring extensive workspace or engaged in batch production.

1.3. Another model with a sizable working area is the 3max, providing a workspace of 750*460mm, expandable to 1030*750mm, perfect for users needing ample workspace or undertaking bulk projects. However, the frame of the 3max machine is not as robust as the 3max V2 or Max 4 models, being an older version. We have enhanced and upgraded the 3max V2 and Max 4 models. If your budget allows, we recommend opting for the optimized 3max V2 and Max 4 models.


NEJE Max 4


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NEJE 3 Max V2


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NEJE 3 Max


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How to choose neje module?


NEJE has been independently developing and producing modules since 2013, offering the most reliable, sustainable, and top-performing modules available.Currently, NEJE's main modules include the E80, E40, A40640, N40630, N30820, and several smaller modules.

1. Selecting Modules 【Based on Your Craft Materials】
NEJE modules are suitable for over 100 types of materials, catering to cutting and engraving applications with 450nm light, making them unsuitable for burning white and transparent materials.

1.1 Common Cutting Materials:
Various types of wood (plywood, pine, basswood, birch, cherry, etc.), bamboo, cardboard, Kraft paper, PV, MDF board, HDF board, leather, thin stainless steel sheets, solid-color acrylic, foam, and EVA.
The E80 is compatible with cutting all materials, while the E40 is suitable for cutting leather up to 4mm in thickness.

1.2 Common Engraving Materials:
Apart from transparent and white materials, black-coated canvas, glass, ceramics, mirrors, coated metal, cardboard, slate, leather, metals, wood, bamboo, rubber, ABS plastics, denim, etc.
The E80 is suitable for engraving all materials, the E40 is perfect for engraving canvas and leather, and the A40640 for metal and stone engraving.
Choose the E80 if you seek high engraving and cutting efficiency across all materials with nice details.

2. Selecting Modules 【Based on Machine Compatibility】

The E80 is a 20W module suitable for use with the Max 4, 3max V2, and modified 3max machines.
The E40 and A40640 are 12W modules compatible with the Max 4, 3max V2, 3max, NEJE 3, and NEJE 3 Plus.
The N40630 is a 6W module, and the N30820 is a 5.5-7.5W module suitable for the NEJE 3, NEJE 3 Plus, Max 4, 3max V2, and 3max.

3. Choosing Modules 【Based on Module Features】

The E80 module excels in cutting performance, typically used with 5-8 bar air assist, capable of cutting 20mm pine boards in a single pass, offering higher engraving efficiency, excellent detail rendering, and suitability for various materials.
The E40 is ideal for detailed engraving and cutting materials up to 4mm in thickness.
The A40640 is best for grayscale engraving. The other smaller modules provide engraving and cutting capabilities suitable for simpler projects.




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Powerful and perfect optical quality, with an ultra long lifespan design, the E80 has higher commercial applications in engraving and cutting efficiency. 20mm pinewood cut through in a single pass.It will be a standard grade product for Diode Laser entering the industrial era.




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Having very fine engraving and cutting expression abilities, for users with higher requirements for precision, such as ceramic carving, leather, MDF cutting within 4mm.




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It's a zoom laser module for experienced laser users.A40640 has a very wide user base and is the inventor of the Diode Laser high-power module.It has a wide range of comprehensive applications and can be widely used for engraving various materials, including wood, metal, stone, glass, and has universal cutting ability.




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N30820 has strong comprehensive capabilities, the optical power is 5.5 - 7.5W output, and the focus is square light spot, good at carving with wood , rubber stamping, glass, transparent acrylic and cutting Plywood, black acrylic, cloth, etc...

NEJE Accessories and functions

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HONEYCOMB Cutting Panel

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Essential accessories for cutting projects


AOC Air Assist

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Smoke exhaust tools for cutting projects


AF3  Valve 

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Intelligent fully automatic air assist valve for high-pressure pump



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Engraving cylindrical objects



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Expand the working area to 750 * 1030mm, expand projects and mass production


Flat Extension Cutting Panel

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Upgraded large-area honeycomb panels, essential accessories for large-area cutting projects


Enclosure Box Frame

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Building a closed box and visual system (only applicable to Max 4, 3Max V2, 3Max)



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Building a visual system



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Cut heat transfer printing and very thin soft materials like CriCut (only applicable to Max 4)


Emergency Door

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One click stop in emergency situations


Lightburn Software

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Recommended operating software that can achieve more intelligent functions for NEJE machines


Replacement len

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Suggest purchasing a few lens consumables

How to choose the NEJE kits?


Kit 1:Max 4 E80


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A standard engraving package. If your projects focus solely on engraving, opt for Kit 1. For cutting needs, you can additionally purchase a honeycomb panel.


Kit 2:Max 4 E80 Kit


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A standard cutting package. If smoke extraction is necessary during your cutting process, you can purchase kit 3


Kit 3:Max 4 E80 Basic Kit


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A cutting package with air assist. If you want to cut thicker materials, consider purchasing high-pressure air assist at 5-8 bar.


Kit 4:Max 4 E80 Luxury Kit


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Designed for engraving cylindrical objects and general items. For cutting needs, you can supplement with a honeycomb panel.


Kit 5:Max 4 E80 Large-area Kit


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Offers both engraving and cutting capabilities with smoke extraction functionality. Suitable for users engaged in extra-large projects or batch production.


Kit 6:Max 4 E80 Large-area Basic Kit


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Provides both engraving and cutting functionalities for users involved in extra-large projects or batch production. For convenience, you can add one more honeycomb panel or opt for Kit 5.


Kit 7:Max 4 E80 Large-area Enclosure Frame Kit


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visual operating system

Focuses on cutting and is ideal for users engaged in extra-large projects or batch production. It allows for the creation of a visual operating system and includes a smoke extraction system.

Diode Laser vs. CO2 Laser for Engraving and Cutting

In the realm of laser technology, two primary players stand out for their engraving and cutting capabilities: the diode laser and the CO2 laser. Each type offers unique features and benefits, making them suitable for various applications. Let's delve into a comparative analysis to understand the strengths and considerations of both technologies.


Diode Laser

Overview : The diode laser is a solid-state laser that utilizes a semiconductor as the lasing medium.It typically operates at a wavelength of around 445nm to 450nm.Diode lasers are known for their compact size, energy efficiency, and affordability compared to other laser types.

Engraving Capabilities : Well-suited for engraving on materials such as wood, leather, acrylic, and certain plastics.Offers precise engraving with good detail resolution for intricate designs.

Cutting Capabilities : Capable of cutting thick materials like 20mm pinewood,30mm black acrylic.

CO2 Laser

Overview :CO2 lasers use a gas mixture as the lasing medium, typically carbon dioxide.They operate at longer wavelengths, commonly around 10.6 micrometers.CO2 lasers are preferred for industrial applications due to their high power output and versatility.

Engraving Capabilities :Ideal for engraving on a wide range of materials, including wood, glass, metal, and ceramics.Offers high precision and can handle intricate details with ease.

Cutting Capabilities :Excels at cutting various materials with different thicknesses.Provides faster cutting speeds and deeper cutting depths compared to diode lasers.

Cost Factors:
Price Range, Maintenance, and Consumables Expenses

When contemplating the purchase of a laser engraving or cutting machine, it's essential to consider not only the initial investment cost but also ongoing expenses related to maintenance and consumables. Let's delve into the price ranges and associated costs for both diode lasers and CO2 lasers to provide a comprehensive view for potential buyers:

Price RangeDiode LasersCO2 Lasers
Entry-LevelTypically range from $200 to $2000, catering to hobbyists and small businesses with basic engraving and cutting needs.Starting from $2000 to $5000, suitable for small businesses and hobbyists requiring more power and cutting depth than diode lasers.
Mid-RangePriced between $2000 to $5000, offering improved features, enhanced performance, and greater versatility for a wider range of materials.Priced between $5000 to $10,000, providing higher wattage, larger work areas, and enhanced capabilities for industrial applications.
High-EndCosting $5000 and above, equipped with advanced functionalities, higher power outputs, and precision for professional use.Costing $10,000 and upwards, featuring top-of-the-line specifications, advanced automation, and precision cutting for heavy-duty industrial usage.
 Diode LasersCO2 Lasers
MaintenanceDiode lasers generally require minimal maintenance compared to CO2 lasers. Routine cleaning of laser module len,fan and machine dust are essential for optimal performance. CO2 lasers may require more frequent maintenance due to their complex gas-based systems. Regular inspection of optics, gas refills, and alignment adjustments are common maintenance tasks.
ConsumablesConsumables for diode lasers include lenses, and possibly cooling fan. These items have a relatively lower cost compared to CO2 laser consumables.Consumables for CO2 lasers typically include gas mixtures, optics (lenses and mirrors), coolant, and possibly filtration systems. These consumables can contribute to higher operational costs compared to diode lasers.

Conclusion: While upfront costs vary based on the machine's type and specifications, ongoing expenses for maintenance and consumables are important factors to consider when evaluating the total cost of ownership for a laser engraving or cutting machine. Understanding these cost factors can help individuals make informed decisions based on their budget, usage requirements, and long-term financial considerations.

Why a diode laser could be
the preferred choice for certain users:

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1.Compact Size and PortabilityDiode lasers are renowned for their compact size and lightweight nature, making them easy to move around and suitable for smaller workspaces or mobile setups. - This portability factor allows users to bring the laser engraving or cutting capabilities to different locations with ease, catering to those who require flexibility in their work environment.
2.Energy Efficiency and Lower Operating CostsDiode lasers are known for their energy efficiency, consuming less power compared to CO2 lasers. - The lower operating costs associated with diode lasers make them a cost-effective choice for hobbyists, small businesses, or individuals looking to minimize their electricity expenses.
3.Entry-Level AffordabilityDiode lasers are often more budget-friendly than their CO2 counterparts, making them an accessible option for individuals who are just starting with laser engraving or cutting. - This affordability factor appeals to beginners, DIY enthusiasts, and those on a limited budget who still desire quality engraving and cutting capabilities.
4.Ideal for Small Business and HobbyistsIf your projects primarily involve lighter engraving and cutting tasks on materials like wood, acrylic, leather, or certain plastics, a diode laser can be a suitable choice. - Hobbyists, crafters, and small-scale businesses may find the precision and versatility of diode lasers sufficient for their creative endeavors without the need for the power and complexity of a CO2 laser.
5.User-Friendly Operation and MaintenanceDiode lasers are relatively simpler in design and operation, making them user-friendly for individuals who may be new to laser technology. - Maintenance requirements for diode lasers are often less demanding compared to CO2 lasers, saving users time and effort in upkeep and troubleshooting.

By considering these benefits, individuals looking for a cost-effective, portable, and user-friendly solution for engraving and cutting tasks may find that a diode laser aligns perfectly with their needs and preferences. While CO2 lasers excel in certain areas, the advantages of diode lasers make them a compelling choice for a wide range of users seeking efficient and reliable laser technology.